Hair straightening brush



FIG. 1 is a front, bottom and left side perspective view of a hair straightening brush showing my new design;

FIG. 2 is a rear, top and right side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a perspective view of the hair straightening brush wherein the bristle carrier is not shown for clarity of illustration; and,

FIG. 10 is an exploded perspective view of the hair straightening brush.

The broken lines in the drawings depict portions of the hair straightening brush that form no part of the claimed design. 

CLAIM The ornamental design for a hair straightening brush, as shown and described. 